Blood and Blood vessels

What is the function of arteries?

• Transport deoxygenated blood

• Transport oxygenated blood

• Site for exchange of materials

What is the function of veins?

• Transport deoxygenated blood

• Transport oxygenated blood

• Site for exchange of materials

What is the function of capillaries?

• Transports deoxygenated blood

• Transport oxygenated blood

• Site for exchange of materials

What is the function of coronary artery?

• Transports oxygenated blood from aorta to heart muscles

• Transports oxygenated blood from aorta to liver

• Transports oxygenated blood from aorta to kidneys

What are present in veins but absent in arteries?

• smooth elastic tissues

• muscular tissues

• valves

What is the function of valves?

• To prevent mixing of oxygenated and deoxygenated blood

• To transport blood in one direction

• To prevent backflow of blood

Which blood vessel transports oxygenated blood to the rest of the body?

• Pulmonary artery

• Aorta

• Hepatic artery

• Renal artery

Which blood vessel transports deoxygenated blood from the rest of the body back to the heart?

• Pulmonary vein

• Hepatic vein

• Renal vein

• Vena cava

The blood vessel that has valves at intervals...

• capillary

• artery

• vein

• none of the above

Valves in veins

• support them

• protect them

• prevent the backward movement inside them

• provide them elesticity